Streptococcus pneumonia is the leading cause of bacterial pneumonia. It can enter your lungs through inhalation or through your bloodstream. There is a vaccination for this type. Haemophilus influenzae is the second most common cause of bacterial pneumonia.
The droppings are similar in color to the wood residue that the insects spill as they eat. Subterranean termite droppings are soft and used in constructing nests, whereas drywood termite droppings are hard and look like piles of sawdust, according to Extension.org.
While flying termites closely resemble winged ants, there are clear differences in their appearance. Ants have a constricted waist, while termites have a more straight-sided waist. Termites also have four wings of equal size. Ant antennae bend at 90-degree angles, while the antennae of the termite are straight. Flying termites are visible when their colony swarms.